Auxiliary air-inlet device.



'L. M.-YOR-K.

AUXILIARY AIR, iN'LET DEVICE. APPLICATION. mu mus. m2.

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' W W] i 13W way/z Patnted Dec .18 ,1917

' 51mm. i'

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LQZFLDIE YORK, F DETROIT, MICHIGAN.

AUXILIARY AIR-INLET DEVICE.

Specification of Letters Patent.

Application filed February 19, 3.917. Serial No. 149,589.

To aZZ whom it may concern Be it known that 1, Loose M. YORK, a citizen of the United States of America, residing at Detroit, in the county of VJayne and State of Michigan, have invented certain new and useful Improvements in Auxiliary Airlnlet Devices, of which the following is a specification, reference being had therein to the accompanying drawings.

This invention relates to an auxiliary air inlet device for internal. combustion engines and has special reference to those engines forming part the power plants of automobiles.

The primary object of invention is to provide auxiliary air inlet device that can be readily interposed between a carburetor and (an intake manifold Without any changes or alterations of either structure, to admit air to the conduits leading from the car- 'bureter to the engine, after the engine has reached a. predetermined speed Another object of my invention is to provide an adjustable member that can be arranged in a manifold connection to be actuated at a predetermined time, by the gas passing through the connection and this member is articulated with air intake valves so that sir will be admitted to the manifold connection after the gas passing therethrough has reached a predetermined velooity.

further object of my invention is to accomniish the above result by a durable and in nsive mechanical construction to be hereinafter specifically described and then claimed, and reference will now be had lo the drawing, wherein Figure 1 KS 11 cross sectional view of an auxiliary an nlet device .tnterposed between e cnrbi... .er and a manifold connecr of the device;

.oss sectional view of the sectional view of a porillustrating a slight mod1 is a c tlon oi the dev fication of the in ention, and

5 is a plan or the same.

The device comprises 2. fist member i having opposed apertured ears 2 so that it may be interposed between a carburetor and a rm' nifold connection 4, as shown in Fig. 1. i held in position by bolts 5, nuts 6 or similar fastening means.

The list member 1 has a central opening 7 conduit oi the manifold connection l, and arranged in the opening 7 is a reticulated member 8 preferably in the form of a woven Wire screen of fine mesh having the nuirginal edges thereof bound by rings or a binder. The member 1, in a plane at rightangles to the plane of the apertured lugs 2, has the outer side Walls thereof recessed, as at 9, and connnunicating with the inner side Walls or opening 7 of the member are air intake openings 10. Pivotally mounted in the recesses 9 by pins 11 or other pivotal means are flap valves 12 adapted to close the outer ends of the air intake openings 10. The innor sides of said valves are provided with rods 13 extending through the openings and said rods terminate in yokes l4 embracing the screen 8 at opposed sides thereof. The yokes 14; loosely support the screen 8, so that when said screen is raised the valves 12 will be opened, and thereby admit air to the openings 10 and the opening 7 above the screen 8. The opening movement of the valves 12 is limited by the inner ends of the rods engaging the walls of the openings 10. It is very essential for good results, that the air be admitted at some point above the screen 8 or between said screen and the cylinders of an internal combustion engine although a certain degree of efiiciency is attained by admittingair below the screen.

The Weight of the screen 8 is sufficient to maintain the air valves 12 normally closed and said screen is designed to permit fuel.

or gas to pass therethrough-for startingan internal combustion engine, or reaching a predetermined speed, for instance five miles per hour on the part of an automobile equipped with the device. it approximately five miles per hour the gas drawn into the cylinders of an internal combustion engine has not reached a velocity which will sheet the position of the screen 8, but When the speed of the engine is increased and alsothe velocity of gas or fuel, the screen 8 will tend to temporarily retard or baliie the sup-- ply of gas or fuel, and consequently will be raised or adjusted thereby. Such movement on the part of the screen 8 causes the valves 12 to open and :1 .imit air above the screen to ermmingle with the fuel or y is and thus in- .ie the volume of fuel t." the cylinders of engine.

The VQEVES f.., are fr-ee to span W 1 F n as hQlBLOIOL .ii

my ed es Am: member adapte d.

admittin 121' to said manifold connectlc and vigil ry will to be actuateci and ad:

eiocity of fuel mto said maniio'gei .ef'ermined $210!; u (he tion t0 open said air wives 5 pring may be as sash i" device of in type tiescribed cezm H 0112 be actuaiea when {1951 3; a flat member adapted t0 be evice has been iilust ned as Used in a IO'FiZ-J i211 positien and as interposed hetwsen the cairimzretar and a inzu'ziifoiii c03 m-cijion, but is t0 be understoed ti de ice man be used in vertisul p us red angle and is mt nesessa l w a pesi'iion in pro pu-sm between cnz-baremr mm :1 ma:

air valves carried by said :1 die of said manifold comm: zed admitting air in $51 uction, rods cal-fled by wai al tending 111::0 said mez'ni'ei 91d emursolaly supgfl .Zvas and nmmtz the type dv v erhavin' v '(i memu of mid. awnings; a by; womb-2 um means carried. M and supporiin ibereol' and a "Loses said air valves. in testmauny whereof l my mm 121 pres'aner; of two v: f. 

